Free 1Z1-082 Sample Questions and 100% Cover Real Exam Questions (Updated 145 Questions)
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Oracle 1Z1-082 exam is an essential certification for anyone who wishes to pursue a career in Oracle Database Administration. 1Z1-082 exam is designed to test the candidate's ability to work with Oracle Database in a real-world environment, and it covers a wide range of topics that are essential for Oracle Database Administration. Obtaining this certification is a valuable asset for anyone who wishes to advance their career in this field.
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NEW QUESTION # 43
In the SALES database, DEFERRED_SEGMENT_CREATION is TRUE.
Examine this command:
SQL> CREATE TABLE T1(c1 INT PRIMARY KEY, c2 CLOB);
Which segment or segments, if any, are created as a result of executing the command?
- A. no segments are created
- B. T1 and an index segment created for the primary key only
- C. T1, an index segment for the primary key, and a LOB segment only
- D. T1, an index segment for the primary key, a LOB segment, and a lobindex segment
- E. T1 only
Answer: A
NEW QUESTION # 44
Which two functions are performed by a listener?
- A. creating a user session in the System Global Area (SGA)
- B. verifying a user's authentication credentials
- C. maintaining the connection to a client's user process until the user request is completed
- D. verifying the service name in an incoming user request
- E. returning the results of processing from the server process to the user process
- F. connecting a user process to a server process
Answer: E,F
NEW QUESTION # 45
Which three statements are true about the tools used to configure Oracle Net Services? (Choose three.)
- A. Enterprise Manager Cloud Control can be used to centrally configure net service names for any database server target
- B. Enterprise Manager Cloud Control can be used to centrally configure listeners on any managed database server
- C. The lsnrctl utility requires a listener.ora file to exist before it is started
- D. Oracle Net Manager can be used to locally configure naming methods on a database server
- E. The Oracle Net Configuration Assistant is only used when running the Oracle installer
- F. Oracle Net Manager can be used to centrally configure listeners on any database server target
Answer: A,B,D
Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/netag/introducing-oracle-net-services.html#GUID-6B1F0584-887D-4D2A-B982-40ACF15DF985
* Oracle Enterprise Manager Cloud Control combines configuration functionality across multiple file systems, along with listener administrative control to provide an integrated environment for configuring and managing Oracle Net Services. * Oracle Net Manager provides configuration functionality for an Oracle home on a local client or server host.
NEW QUESTION # 46
Which three statements are true about GLOBAL TEMPORARY TABLES? (Choose three.)
- A. Any GLOBAL TEMPORARY TABLE rows existing at session termination will be deleted.
- B. A DELETE command on a GLOBAL TEMPORARY TABLE cannot be rolled back.
- C. GLOBAL TEMPORARY TABLE rows inserted by a session are available to any other session whose user has been granted select on the table.
- D. GLOBAL TEMPORARY TABLE space allocation occurs at session start.
- E. A TRUNCATE command issued in a session causes all rows in a GLOBAL TEMPORARY TABLE for the issuing session to be deleted.
- F. A GLOBAL TEMPORARY TABLE'S definition is available to multiple sessions.
Answer: B,C,D
NEW QUESTION # 47
Your database instance was shut down normally and then started in NOMOUNT state. You then execute this command:
ALTER DATABASE MOUNT;
Which two actions are performed? (Choose two.)
- A. The online data files are opened
- B. The control file is read
- C. The online redo logs are opened
- D. The alert log records the execution details
- E. The initialization parameter file is read
- F. The Oracle background processes are started
Answer: B,F
NEW QUESTION # 48
Which two are true about shrinking a segment online? (Choose two.)
- A. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
- B. To shrink a table it must have a PRIMARY KEY constraint
- C. To shrink a table it must have a UNIQUE KEY constraint
- D. To shrink a table it must have row movement enabled
- E. It always eliminates all migrated rows if any exist in the table
- F. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
Answer: B,D
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_3001.htm
NEW QUESTION # 49
You execute this command:
During the export operation, you detach from the job by using CTRL+C and then execute this command:
Export> STOP_JOB=immediate
Are you sure you wish to stop the job ([yes]/no): yes
Which two statements are true about the job? (Choose two.)
- A. It continues to run in the background
- B. It terminates
- C. It is paused and can be resumed
- D. You can reattach to it and monitor it
- E. You can no longer monitor it
Answer: C,D
Explanation:
Reference:
https://blog.oracle48.nl/killing-and-resuming-datapump-expdp-and-impdp-jobs/
NEW QUESTION # 50
Which three statements are true about the Automatic Diagnostic Repository (ADR)?
- A. It is only used for Oracle Database diagnostic information.
- B. It is a file-based repository held outside any database.
- C. The ADR base is specified In the diagnostic_dest database parameter.
- D. It Is held Inside an Oracle database schema.
- E. It can be used for problem diagnosis of a database when that database's instance is down.
Answer: B,C,D
NEW QUESTION # 51
Which three statements are true about table data storage in an Oracle Database? (Choose three.)
- A. Data block free space is always contiguous in the middle of the block
- B. Data block headers contain their own Data Block Address (DBA)
- C. A table row piece can be chained across several database blocks
- D. Index block free space is always contiguous in the middle of the block
- E. Multiple row pieces from the same row may be stored in different database blocks
- F. Multiple row pieces from the same row may be stored in the same block
Answer: B,C,E
Explanation:
Reference:
https://antognini.ch/2016/10/whats-the-difference-between-row-migration-and-row-chaining/
NEW QUESTION # 52
Which three functions are performed by dispatchers in a shared server configuration? (Choose three.)
- A. checking for outbound shared server responses on the common outbound response queue
- B. writing inbound request to the common request queue from all shared server connections
- C. sending each connection input request to the appropriate shared server input queue
- D. sending shared server session responses back to requesters on the appropriate connection
- E. broadcasting shared server session responses back to requesters on all connections
- F. receiving inbound requests from processes using shared server connections
Answer: B,C,F
NEW QUESTION # 53
You want to write a query that prompts for two column names and the WHERE condition each time it is executed in a session but only prompts for the table name the first time it is executed.
The variables used in your query are never undefined in your session.
Which query can be used?
SELECT &&col1, &&col2
- A. FROM "&table"
WHERE &condition;
SELECT '&&col1', '&&col2' - B. FROM &table
WHERE &&condition = &&cond;
SELECT &col1, &col2 - C. FROM &table
WHERE '&&condition' = '&cond';
SELECT &&col1, &&col2 - D. FROM &table
WHERE &&condition; - E. FROM &&table
WHERE &condition;
SELECT &col1, &col2
Answer: E
NEW QUESTION # 54
While one of your databases was in mount state, the datafiles were renamed because they had been moved to a new file system. The database was then opened.
Which two statements are true?
- A. V$DATAFILE displays the new names for the data files.
- B. DBA_DATA_FILES displays the new name for the data files.
- C. DBA_DATA_FILES must be resynchronized manually with the control file an order to have it display the new file names.
- D. DBA_DATA _FILES displays both the new name and the old name for the data files.
- E. DBA_DATA_FILES displays the original name for the data files.
Answer: D,E
NEW QUESTION # 55
The ORCL database has RESUMABLE__TIMEOUT = 7200 and
DEFERRED_SEGMENT_CREATION = FALSE
User U1 has a 1 MB quota in tablespace DATA.
U1 executes this command:
SQL> CREATE TABLE t1 AS
(SELECT object_name, sharing, created
FROM dba_objects);
U1 complains that the command is taking too long to execute.
In the alert log, the database administrator (DBA) finds this:
2017-03-06T12:15:17.183438+05:30
statement in resumable session 'User U1(136), Session 1, Instance 1'
was suspended due to ORA-01536: space quota exceeded for tablespace
'DATA'
Which are three actions any one of which the DBA could take to resume the session? (Choose three.)
- A. Set DEFERRED_SEGMENT_CREATION to TRUE
- B. Grant UNLIMITED TABLESPACE to U1
- C. Add a data file to DATA
- D. Drop other U1 objects in DATA
- E. Set AUTOEXTEND ON for data files in DATA
- F. Increase U1's quota sufficiently in DATA
Answer: A,E,F
NEW QUESTION # 56
Which two are true about complete and incomplete recovery? (Choose two.)
- A. Incomplete recovery is possible only when the database is open.
- B. Only incremental backups can be used to roll forward the database while performing complete recovery.
- C. Uncommitted transactions will be rolled back after incomplete recovery completes.
- D. The database must have FLASHBACK enabled in order to perform incomplete recovery.
- E. Uncommitted transactions will be rolled back after complete recovery completes.
Answer: B,E
NEW QUESTION # 57
Evaluate these commands which execute successfully:
Which two statements are true about the ORD_ITEMS table and the ORD_SEQ sequence? (Choose two.)
- A. Column ORD_NO gets the next number from sequence ORD_SEQ whenever a row is inserted into ORD_ITEMS and no explicit value is given for ORD_NO
- B. Sequence ORD_SEQ cycles back to 1 after every 5000 numbers and can cycle 20 times
- C. Any user inserting rows into table ORD_ITEMS must have been granted access to sequence ORD_SEQ
- D. If sequence ORD_SEQ is dropped then the default value for column ORD_NO will be NULL for rows inserted into ORD_ITEMS
- E. Sequence ORD_SEQ is guaranteed not to generate duplicate numbers
Answer: C,E
NEW QUESTION # 58
Examine this command and some partial output:
Why does the DB01.abc.comservice show unknown status?
- A. The listener is not listening on the default port 1521
- B. The service DB01.abc.com is dynamically registered
- C. The SID_LIST_LISTENER section is not contained in the LISTENER.ORA file
- D. The LOCAL_LISTENER database parameter is not set to a service name that refers to LISTENER_1
- E. The service DB01.abc.com is statically registered
Answer: D
NEW QUESTION # 59
Which two statements are true about the PMON background process? (Choose two.)
- A. It frees resources held by abnormally terminated processes
- B. It frees unused temporary segments
- C. It kills sessions that exceed idle time
- D. It registers database services with all local and remote listeners known to the database instance
- E. It records checkpoint information in the control file
Answer: A,D
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14220/process.htm
NEW QUESTION # 60
Which three are types of segments in an Oracle Database? (Choose three.)
- A. tables
- B. clusters
- C. index
- D. undo
- E. sequences
- F. stored procedures
Answer: A,B,C
NEW QUESTION # 61
Which two can you use to recover a dropped table? (Choose two.)
- A. FLASHBACK TRANSACTION
- B. FLASHBACK DROP
- C. FLASHBACK DATABASE
- D. FLASHBACK TABLE TO SCN
- E. FLASHBACK QUERY
Answer: B,D
NEW QUESTION # 62
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Introduction to Oracle 1z0-082: Oracle Database Adminstration 1 Exam
Oracle Database 12c: RAC and Grid Infrastructure Administration Exam assess the abilities of the Database Administrators and System Administrators who have at least 1 year of experience in RAC and Grid Infrastructure. The candidates should have the ability to install, manage, tracking, tuning and restoring RAC databases, cluster, and Oracle Automatic Storage Management (ASM). They should have a good understanding of the architectures of the ASM, Clusterware, and Oracle RAC databases. They should also know how to install, setup, backup, and recovery monitoring and tuning of these components.
Oracle Real Application Clusters (RAC) in database computing is a choice for Oracle Database software developed by Oracle Corporation, it provides clustering software and high availability in Oracle database environments. With the Enterprise Version, Oracle Corporation includes RAC, provided the nodes are clustered using Oracle Clusterware. Oracle RAC allows several machines when accessing a single database, to run Oracle RDBMS software simultaneously, offering to cluster.
The Oracle Grid Infrastructure for an independent server is the Oracle software that offers system support for a database including the file system, volume management, and automation of the restart process. If you want to utilize the Oracle restart or Oracle Automatic Storage Management (ASM) services, you have to install Oracle grid infrastructure before installing Oracle Database.
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